diff --git a/types/testing-library__react/index.d.ts b/types/testing-library__react/index.d.ts
index 6c7404ef0b..5ac83afed5 100644
--- a/types/testing-library__react/index.d.ts
+++ b/types/testing-library__react/index.d.ts
@@ -5,6 +5,7 @@
 //                 Sebastian Silbermann <https://github.com/eps1lon>
 //                 Weyert de Boer <https://github.com/weyert>
 //                 Ifiok Jr. <https://github.com/ifiokjr>
+//                 Daniel Afonso <https://github.com/danieljcafonso>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 3.0
 
@@ -16,7 +17,7 @@ export * from '@testing-library/dom';
 export type RenderResult<Q extends Queries = typeof queries> = {
     container: HTMLElement;
     baseElement: HTMLElement;
-    debug: (baseElement?: HTMLElement | DocumentFragment) => void;
+    debug: (baseElement?: HTMLElement | DocumentFragment | Array<HTMLElement | DocumentFragment>) => void;
     rerender: (ui: React.ReactElement) => void;
     unmount: () => boolean;
     asFragment: () => DocumentFragment;
diff --git a/types/testing-library__react/testing-library__react-tests.tsx b/types/testing-library__react/testing-library__react-tests.tsx
index 1b4b4849ed..82914a91b8 100644
--- a/types/testing-library__react/testing-library__react-tests.tsx
+++ b/types/testing-library__react/testing-library__react-tests.tsx
@@ -46,3 +46,13 @@ async function testFireEvent() {
     const { container } = render(<button />);
     fireEvent.click(container);
 }
+
+async function testDebug() {
+    const { debug, getAllByTestId } = render(
+        <>
+            <h2 data-testid="testid">Hello World</h2>
+            <h2 data-testid="testid">Hello World</h2>
+        </>,
+    );
+    debug(getAllByTestId('testid'));
+}